<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<%
	//Set to expire far in the past.
	response.setDateHeader("Expires", 0);
	// Set standard HTTP/1.1 no-cache headers.
	response.setHeader("Cache-Control",
			"no-store, no-cache, must-revalidate");
	// Set IE extended HTTP/1.1 no-cache headers (use addHeader).
	response.addHeader("Cache-Control", "post-check=0, pre-check=0");
	// Set standard HTTP/1.0 no-cache header.
	response.setHeader("Pragma", "no-cache");
%>